What does this research mean for the field?

Cu/bentonite nanohybrids significantly reduce friction and wear in water-based drilling fluids, maintaining high lubrication capacity even under 240 °C thermal aging and high-salt conditions through the formation of a composite nano-Cu friction film. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To synthesize Cu/bentonite nanohybrids via thermal decomposition and evaluate their friction-reduction and anti-wear mechanisms in water-based drilling fluids under high-temperature and high-salt conditions.

August 27, 2026Journal of Tribology

Cu/Bentonite Nanohybrids Prepared by Thermal Decomposition and Their Enhancement Mechanism for High-Temperature Tribological Properties of Water-Based Drilling Fluids

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Authors

RJRunkang JiangHenan University JWJing WuHunan University GYGuangbin YangHenan University

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Implication

Experimental study demonstrates improved lubricity and wear resistance in water-based drilling fluids using Cu/bentonite nanohybrids, highlighting robust thermal and salt stability.

Key Points

To synthesize Cu/bentonite nanohybrids via thermal decomposition and evaluate their friction-reduction and anti-wear mechanisms in water-based drilling fluids under high-temperature and high-salt conditions.
Synthesized Cu/bentonite (Cu/Bent) nanohybrids by loading copper nanoparticles uniformly onto bentonite supports through thermal decomposition.
Conducted tribological characterization, high-temperature resistance testing (thermal aging at 240 °C), and high-salt environment performance evaluations on water-based drilling fluids containing the nanohybrids.
Addition of Cu/Bent nanohybrids reduced the friction coefficient by 86.9% and the wear rate by 82.4% prior to thermal aging.
Maintained superior lubrication performance following 240 °C thermal aging and high-salt exposure due to the deposition of nano-Cu and creation of an isolating composite friction film on contact interfaces.

Cite This Study

Jiang et al. (2026) studied this question.

synapsesocial.com/papers/6a8fea0d10c91c1e9262214e https://doi.org/10.1115/1.4072635

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Implication

Experimental study demonstrates improved lubricity and wear resistance in water-based drilling fluids using Cu/bentonite nanohybrids, highlighting robust thermal and salt stability.

Cu/Bentonite Nanohybrids Prepared by Thermal Decomposition and Their Enhancement Mechanism for High-Temperature Tribological Properties of Water-Based Drilling Fluids

Discussion

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Implication

Key Points

Cite This Study

Cu/Bentonite Nanohybrids Prepared by Thermal Decomposition and Their Enhancement Mechanism for High-Temperature Tribological Properties of Water-Based Drilling Fluids

Discussion

Member takes

Implication

Key Points

Cite This Study

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